I'd like to add an updated kdrive (along with Xglx) to the tree, hard-masked. But it requires >=glitz-0.4.3. I just copied the 0.4.0 ebuild to 0.4.4 and it worked fine. The only potentially new feature I saw was --enable-egl, but EGL's not really ready to be enabled by default anyway.
*** Bug 102880 has been marked as a duplicate of this bug. ***
Fixed.